(CNN) – Riding the momentum of his South Carolina win on Saturday, Newt Gingrich said Sunday he planned a week of big speeches offering “big solutions for a big country.” “I’ll be at the space coast in Florida this week giving a speech — a visionary speech — on the United States going back into space in the John F. Kennedy tradition,” the former House Speaker said on C-SPAN’s “Washington Journal.” He said the days leading to Florida's Jan. 31 primary would include other speeches on health care, housing, the economy, Cuba and Latin America. “I hope really once a...